8-Methylquinoline

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  • Identifiers

    CAS number
    611-32-5

    Molecular formula
    C10H9N

    SMILES
    CC1=C2C(=CC=C1)C=CC=N2

    Safety labels

    Irritant
    Irritant

    Health Hazard
    Health

  • Odor profile

    Sweet 65.21%
    Animal 61.44%
    Floral 57.97%
    Tobacco 53.86%
    Earthy 50.43%
    Leathery 46.75%
    Musty 42.96%
    Nutty 41.72%
    Woody 40.23%
    Phenolic 36.74%

    Scent© AI

  • Properties

    XLogP3-AA
    2.6

    Molecular weight
    143.18 g/mol

    Vapor pressure est.

    • hPa @ 20°C
    • hPa @ 25°C

    Evaporation rate
    Slow

    Melting point expt.

    • -112 °F (NTP, 1992)

    Boiling point

    • 478 °F at 751 mmHg (NTP, 1992)

    Flash point est.
    101.04 ˚C

    Flash point expt.

    • 221 °F (NTP, 1992)

    Solubility expt.

    • 1 to 5 mg/mL at 63 °F (NTP, 1992)

  • Synonyms

    • 8-METHYLQUINOLINE
    • 611-32-5
    • Quinoline, 8-methyl-
    • 8-methyl-quinoline
    • O-Toluquinoline
    • CCRIS 408
    • NSC 9409
    • 1199266-77-7
    • CHEBI:48984
    • EINECS 210-264-0
    • BRN 0111340
    • DTXSID8020888
    • UNII-K97B12J636
    • AI3-00849
    • NSC-9409
    • MFCD00006810
    • K97B12J636
    • METHYLQUINOLINE, 8-
    • DTXCID80888
    • CHEMBL1702610
    • Quinoline, 8-methyl-, labeled with deuterium
    • NSC9409
    • 5-20-07-00405 (Beilstein Handbook Reference)
    • 8-Metyl quinoline
    • 8-methyl quinoline
    • 8-Methylquinoline, 97%
    • MLS002303012
    • SCHEMBL256942
    • NISTC611325
    • HMS3039E09
    • BCP27326
    • Quinoline, 8-methyl- (8CI,9CI)
    • Tox21_200341
    • BDBM50264545
    • STL190850
    • AKOS001287315
    • AC-5093
    • NCGC00091614-01
    • NCGC00091614-02
    • NCGC00257895-01
    • CAS-611-32-5
    • SMR001307318
    • TS-01865
    • DB-360054
    • M0419
    • NS00034578
    • AI3-0111340
    • EN300-25427
    • A15687
    • I11487
    • AC-907/25014270
    • Q27121420
    • Z204013194
    • Quinoline, 8-methyl- pound>>8-methyl-quinoline pound>>O-Toluquinoline
    • 210-264-0

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 231.51
    methanol 213.25
    isopropanol 175.88
    water 1.36
    ethyl acetate 652.95
    n-propanol 207.61
    acetone 708.0
    n-butanol 226.18
    acetonitrile 615.72
    DMF 639.64
    toluene 483.87
    isobutanol 177.44
    1,4-dioxane 1837.14
    methyl acetate 529.83
    THF 1412.82
    2-butanone 542.43
    n-pentanol 235.15
    sec-butanol 171.73
    n-hexane 173.64
    ethylene glycol 36.91
    NMP 601.32
    cyclohexane 147.33
    DMSO 697.21
    n-butyl acetate 926.61
    n-octanol 191.06
    chloroform 1338.93
    n-propyl acetate 619.85
    acetic acid 243.35
    dichloromethane 1898.77
    cyclohexanone 892.13
    propylene glycol 27.55
    isopropyl acetate 368.14
    DMAc 356.53
    2-ethoxyethanol 334.34
    isopentanol 220.83
    n-heptane 132.67
    ethyl formate 417.65
    1,2-dichloroethane 1321.92
    n-hexanol 344.63
    2-methoxyethanol 366.87
    isobutyl acetate 424.76
    tetrachloromethane 335.61
    n-pentyl acetate 411.96
    transcutol 1102.18
    n-heptanol 186.45
    ethylbenzene 294.45
    MIBK 353.14
    2-propoxyethanol 511.7
    tert-butanol 228.88
    MTBE 385.24
    2-butoxyethanol 289.78
    propionic acid 199.25
    o-xylene 245.53
    formic acid 59.36
    diethyl ether 722.31
    m-xylene 304.67
    p-xylene 345.86
    chlorobenzene 563.75
    dimethyl carbonate 241.53
    n-octane 71.25
    formamide 128.38
    cyclopentanone 1009.97
    2-pentanone 529.76
    anisole 457.17
    cyclopentyl methyl ether 746.98
    gamma-butyrolactone 1108.2
    1-methoxy-2-propanol 255.58
    pyridine 900.12
    3-pentanone 447.95
    furfural 777.49
    n-dodecane 43.69
    diethylene glycol 263.69
    diisopropyl ether 233.02
    tert-amyl alcohol 197.56
    acetylacetone 581.57
    n-hexadecane 51.15
    acetophenone 375.75
    methyl propionate 426.39
    isopentyl acetate 580.78
    trichloroethylene 1750.63
    n-nonanol 169.68
    cyclohexanol 250.35
    benzyl alcohol 237.84
    2-ethylhexanol 255.69
    isooctanol 161.88
    dipropyl ether 530.88
    1,2-dichlorobenzene 433.32
    ethyl lactate 147.9
    propylene carbonate 544.11
    n-methylformamide 329.19
    2-pentanol 183.67
    n-pentane 109.62
    1-propoxy-2-propanol 343.86
    1-methoxy-2-propyl acetate 438.1
    2-(2-methoxypropoxy) propanol 225.94
    mesitylene 202.11
    ε-caprolactone 750.04
    p-cymene 168.87
    epichlorohydrin 1494.85
    1,1,1-trichloroethane 902.65
    2-aminoethanol 67.37
    morpholine-4-carbaldehyde 808.7
    sulfolane 953.81
    2,2,4-trimethylpentane 52.13
    2-methyltetrahydrofuran 991.26
    n-hexyl acetate 488.71
    isooctane 51.94
    2-(2-butoxyethoxy)ethanol 358.08
    sec-butyl acetate 346.58
    tert-butyl acetate 367.5
    decalin 94.08
    glycerin 54.37
    diglyme 780.44
    acrylic acid 173.77
    isopropyl myristate 190.27
    n-butyric acid 312.09
    acetyl acetate 351.8
    di(2-ethylhexyl) phthalate 124.15
    ethyl propionate 458.74
    nitromethane 672.29
    1,2-diethoxyethane 778.16
    benzonitrile 429.17
    trioctyl phosphate 111.62
    1-bromopropane 708.68
    gamma-valerolactone 1092.28
    n-decanol 132.17
    triethyl phosphate 172.24
    4-methyl-2-pentanol 130.13
    propionitrile 423.82
    vinylene carbonate 533.6
    1,1,2-trichlorotrifluoroethane 397.6
    DMS 393.01
    cumene 192.15
    2-octanol 147.26
    2-hexanone 549.17
    octyl acetate 230.23
    limonene 233.34
    1,2-dimethoxyethane 991.0
    ethyl orthosilicate 168.63
    tributyl phosphate 150.29
    diacetone alcohol 273.39
    N,N-dimethylaniline 273.63
    acrylonitrile 487.65
    aniline 323.22
    1,3-propanediol 139.41
    bromobenzene 687.09
    dibromomethane 1247.51
    1,1,2,2-tetrachloroethane 1020.64
    2-methyl-cyclohexyl acetate 285.74
    tetrabutyl urea 183.54
    diisobutyl methanol 153.15
    2-phenylethanol 291.13
    styrene 348.79
    dioctyl adipate 220.66
    dimethyl sulfate 294.81
    ethyl butyrate 503.74
    methyl lactate 114.36
    butyl lactate 190.73
    diethyl carbonate 288.02
    propanediol butyl ether 169.8
    triethyl orthoformate 267.13
    p-tert-butyltoluene 158.04
    methyl 4-tert-butylbenzoate 240.61
    morpholine 1121.8
    tert-butylamine 182.26
    n-dodecanol 107.5
    dimethoxymethane 665.77
    ethylene carbonate 508.5
    cyrene 208.44
    2-ethoxyethyl acetate 482.19
    2-ethylhexyl acetate 522.17
    1,2,4-trichlorobenzene 441.57
    4-methylpyridine 868.19
    dibutyl ether 456.99
    2,6-dimethyl-4-heptanol 153.15
    DEF 548.72
    dimethyl isosorbide 460.36
    tetrachloroethylene 824.56
    eugenol 243.5
    triacetin 292.25
    span 80 185.66
    1,4-butanediol 85.08
    1,1-dichloroethane 910.82
    2-methyl-1-pentanol 217.18
    methyl formate 355.15
    2-methyl-1-butanol 199.58
    n-decane 74.63
    butyronitrile 456.47
    3,7-dimethyl-1-octanol 165.75
    1-chlorooctane 245.57
    1-chlorotetradecane 96.21
    n-nonane 81.78
    undecane 56.06
    tert-butylcyclohexane 93.78
    cyclooctane 75.83
    cyclopentanol 274.36
    tetrahydropyran 1116.68
    tert-amyl methyl ether 292.45
    2,5,8-trioxanonane 441.25
    1-hexene 382.51
    2-isopropoxyethanol 281.59
    2,2,2-trifluoroethanol 115.81
    methyl butyrate 585.15

    Scent© AI

1 4

IFRA standard 51

Recommendation
No restriction
Maximum acceptable concentrations in the finished product (%)
Category 1
Products applied to the lips
 No restriction Category 7A
Rinse-off products applied to the hair with some hand contact
 No restriction
Category 2
Products applied to the axillae
 No restriction Category 7B
Leave-on products applied to the hair with some hand contact
 No restriction
Category 3
Products applied to the face/body using fingertips
 No restriction Category 8
Products with significant anogenital exposure
 No restriction
Category 4
Products related to fine fragrance
 No restriction Category 9
Products with body and hand exposure, primarily rinse off
 No restriction
Category 5A
Body lotion products applied to the body using the hands (palms), primarily leave on
 No restriction Category 10A
Household care products with mostly hand contact
 No restriction
Category 5B
Face moisturizer products applied to the face using the hands (palms), primarily leave on
 No restriction Category 10B
Household care products with mostly hand contact, including aerosol/spray products (with potential leave-on skin contact)
 No restriction
Category 5C
Hand cream products applied to the hands using the hands (palms), primarily leave on
 No restriction Category 11A
Products with intended skin contact but minimal transfer of fragrance to skin from inert substrate without UV exposure
 No restriction
Category 5D
Baby Creams, baby Oils and baby talc
 No restriction Category 11B
Products with intended skin contact but minimal transfer of fragrance to skin from inert substrate with potential UV exposure
 No restriction
Category 6
Products with oral and lip exposure
 No restriction Category 12
Products not intended for direct skin contact, minimal or insignificant transfer to skin
 No restriction